Hi folks,

I'm gradually preparing for a big project of building an expedition camper habitation unit.  Essentially a 4x2x2m laminated panel box.  It will be built using aramid/carbon/PU foam/carbon vacuum laminated epoxy matrix panels.

My question is: Please can you point me towards where can I find information that will enable me to calculate the fabric weight/thickness required to give appropriate load bearing capacity?

Commercially available polyester/glass equivalent panels are always quoted in terms of thickness (typically 3mm glass/60mm foam/2mm glass) and this isn't very helpful for me because I can't translate it into fabric weight for aramid and carbon (the foam which will remain 60mm for thermal insulation purposes).

I need to be able to specify layup spec for:

1. Load carrying "beams" longitudinal will be essentially C section (like half RSJ), transverse will be I section (like RSJ).
2. Panel skins for load distribution to the "beams"